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positive integer which equals half of the sum of the divisors of the sum of its divisors
practice of removing power from an electrical circuit prior to mating or demating the interface of the circuit
enzyme co-factors that contain molybdenum, and play an essential role in a variety of cellular redox reactions
request to return a product after the discovery of safety issues or product defects that might endanger the consumer or put the maker/seller at risk of legal action
laboratory technique in electrophysiology used to study ionic currents in individual isolated living cells, tissue sections, or patches of cell membrane
1670042712 Q1885881 corn maze mazes produced from patterns cut or grown into farmland maize maze
1983539401 Q5867826 history of energy aspect of history energetics history
slang term for home-built noncommercial radio equipment
1985909405 Q671 francium chemical element with symbol Fr and atomic number 87 Fr
in statistics, marketing and demography, a group of subjects who share a defining characteristic
typografic typesetting software
area of epithelial tissue loss from corneal surface; associated with inflammatory cells in the cornea and anterior chamber
1496287658 Q26263224 international tunnel tunnel built across a geopolitical boundary transborder tunnel
1437738644 Q769843 mehndi form of body art originating in ancient India Mehendi
1422696398 Q7595716 food stabiliser food additive that helps preserve structure food stabilizer
religious work of art, generally a panel painting, in Eastern Christianity
branch of philosophy concerned with religion, God, religious knowledge, language etc.
1913375584 Q1068763 rule of inference systematic logical process capable of deriving a conclusion from hypotheses inference rule
Technologies for automatic network connection configuration
crystal or glass ball and common fortune telling object
428129388 Q83378208 non-persistent identifier identifier that may change over time unstable identifier
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